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Polini is one of the big names in 50cc scooter tuning, and is also one of the leading manufacturers of tuning parts for Vespa, modern and vintage. Cylinders, intake manifolds, exhausts, air filters, carburetors, crankshafts and more - everything you need to boost the performance of your Classic Vespa.

This is a Polini Gear Primary Transmission 23 teeth LML Star Deluxe 200cc 4-stroke to change the gear ratio of your transmission. A different gear ratio is something you might consider to increase the performance of your already powerful sports or racing engine.